package StudyCode.summary.mycollection;

import java.util.HashMap;

/**
 * 版权所有 科技与人文(www.tah1986.com)
 */
public class CheckIfAParticularValueExistsInHashMap {
	public static void main(String[] args) {
		HashMap hMap = new HashMap();
		hMap.put("1", "One");
		hMap.put("2", "Two");
		hMap.put("3", "Three");

		boolean blnExists = hMap.containsValue("Two");
		System.out.println("HashMap 是否存在2这个值? : " + blnExists);
	}
}
